In Honorius III et l'Orient (1216-1227), Pierre-Vincent Claverie offers a large-scale study of the oriental policy developed by Pope Honorius III at the time of the Fifth Crusade. His book is enriched by 150 unpublished bulls presenting Honorius III as a worthy successor of Innocent III and a constant defender of the Holy Land. Its scope embraces also the relations of the Holy See with the Latin clergy in the East, the different oriental christian...